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Finding the Fourth Proportional to 543,521.36, 815,230.20 and 333,050.96

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Solution

The fourth proportional to 543,521.36, 815,230.20 and 333,050.96 is: 499,544.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,521.36 : 815,230.20 = 333,050.96 : x
  2. Step 2: Convert to fraction form
    543,521.36/815,230.20 = 333,050.96/x
  3. Step 3: Cross multiply
    543,521.36x = 815,230.20 × 333,050.96
  4. Step 4: Simplify right side
    543,521.36x = 271,513,200,730.99
  5. Step 5: Solve for x
    x = 271,513,200,730.99/543,521.36
  6. Step 6: Final answer
    x = 499,544.67

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.